Mangroves na Afirka ta Tsakiya
Yankin mangrove na Afirka ta Tsakiya ya ƙunshi mafi girman yanki na mangrove a Afirka, wanda ke kan iyakar Afirka ta Yamma, galibi a Najeriya.
Wurin da bayanin
[gyara sashe | gyara masomin]Wadannan mangroves suna samuwa a cikin koguna masu kyau da lagoons kuma suna dauke da bishiyoyi har zuwa 45m tsawo. Yawancin suna cikin Najeriya, tare da mahimman yankuna Kamaru da Equatorial Guinea / Gabon da kuma patches a Ghana, Jamhuriyar Demokradiyyar Kongo, da arewacin Angola. Yankin da ya fi girma a yankin yana kan Kogin Neja a kan Tekun Guinea, yayin da wasu suka hada da gabashin Kogin Cross a Najeriya da Kamaru, Kogin Wouri a Kamaru, da Kogin Muni a kan iyakar Equatorial Guinea da Gabon, da bakin Kogin Kongo. Kazalika da kasancewa gida ga yawancin namun daji mangroves suna riƙe da koguna a wurin, tace ruwa kuma suna ƙirƙirar haɓaka ƙasa mai wadataccen abinci a kan bankunan. Mangroves suna bunƙasa a yanayin zafi mai zafi inda teku ke da dumi, kuma inda manyan raƙuman ruwa ke shiga cikin koguna. Sabili da haka, akwai ƙasa a bakin tekun Kongo, inda Benguela Current ya kawo teku mai sanyi, amma akwai wurare a nan da kudu a Angola.
Tsire-tsire
[gyara sashe | gyara masomin]Akwai manyan nau'o'in bishiyoyin mangrove guda biyar a cikin yankin: ja mangrove (Rhizophora mangle), Rhizophora racemosa, da Rhizophora harrisonii, baƙar fata mangrove, da fararen mangrove.
Dabbobi
[gyara sashe | gyara masomin]Al'ummomin da ke da wadata na oysters, crabs, invertebrates da kuma nau'ikan kifi da yawa a cikin mangroves suna ci gaba da rayuwar dabbobi ciki har da birai, Manatee na Afirka (Trichechus senegalensis), da tururuwa kamar tururuwa mai laushi na Afirka (Matuba mai laushi). Tsuntsaye sun haɗa da tsuntsayen ruwa masu kiwo kamar su striated heron da reed cormorant da manyan garken wasu yayin ƙaura.
Ayyukan da suka shafi mangrove
[gyara sashe | gyara masomin]Misali na ayyukan mangrove da suka shafi ayyuka sun haɗa da tsari, na wucin gadi, al'adu da tallafi.
Barazanar da adanawa
[gyara sashe | gyara masomin]Najeriya ita ce ƙasa mafi yawan jama'a a Afirka, wanda ke sanya damuwa a kan mafi yawan sauran yankuna na waɗannan wuraren da ke bakin teku. An share abubuwa da yawa don ci gaban birane da masana'antu, kamar su masu tsabtace mai na Neja Delta wanda kuma ya sa koguna da maras kyau su gurɓata.[1] Yankunan birane a cikin yankunan mangrove na asali sun haɗa da Legas a Najeriya da Douala a Kamaru. Sauran nau'ikan a yankin sun haɗa da izinin gishiri da aikin gona. Koyaya mangrove wuri ne mai ɗorewa kuma ƙananan tarin mangrove sun kasance a ware a duk bakin tekun yamma da tsakiyar Afirka.
19.86% na mangroves na Afirka ta Tsakiya suna cikin wuraren da aka kiyaye. Yankunan da aka kare na kasa sun hada da Gidan shakatawa na Douala Edéa a Kamaru, Gidan shakatawa na Monte Alén a Equatorial Guinea, Gidan wasan kwaikwayo na Akanda da Pongara a Gabon, da Gidan wasan Mangroves a Jamhuriyar Demokradiyyar Kongo. Akwai wurare da yawa na Ramsar (yanayin da aka tsara a duniya na muhimmancin duniya) ciki har da lagoons na Songor da Keta a Ghana.[2]